🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 10.7

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.58 AU - 0.68 AU

Year: 333 Days

Day: 12.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,165,072 km

• M1: 133,142 km (0.072 R)
• M2: 714,479 km (0.084 R)
• M3: 1,105,827 km (0.118 R)
• M4: 1,671,756 km (0.117 R)
• M5: 2,264,164 km (0.078 R)
• M6: 2,885,444 km (0.058 R)
• M7: 3,260,635 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 11.6

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.7 AU - 0.78 AU

Year: 424 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,165,072 km

• M1: 144,811 km (0.082 R)
• M2: 608,265 km (0.112 R)
• M3: 991,535 km (0.115 R)
• M4: 1,392,756 km (0.108 R)
• M5: 1,916,947 km (0.096 R)
• M6: 2,300,217 km (0.091 R)
• M7: 2,701,438 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 11.4

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.92 AU - 0.98 AU

Year: 617 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,165,072 km

• M1: 142,268 km (0.093 R)
• M2: 808,128 km (0.082 R)
• M3: 1,171,501 km (0.114 R)
• M4: 2,473,302 km (0.066 R)
• M5: 3,583,318 km (0.056 R)
• M6: 4,319,489 km (0.085 R)
• M7: 5,084,682 km (0.046 R)
• M8: 6,349,233 km (0.054 R)
• M9: 6,821,214 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 13

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.81 AU - 1.13 AU

Year: 637 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,165,072 km

• M1: 174,132 km (0.074 R)
• M2: 814,860 km (0.108 R)
• M3: 1,349,373 km (0.033 R)
• M4: 1,811,481 km (0.101 R)
• M5: 2,781,623 km (0.098 R)
• M6: 3,299,680 km (0.049 R)
• M7: 4,031,064 km (0.056 R)
• M8: 5,818,011 km (0.095 R)
• M9: 6,498,232 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639

Radius: 15

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.02 AU - 3.12 AU

Year: 3587 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,165,072 km

• M1: 186,698 km (0.114 R)
• M2: 723,904 km (0.118 R)
• M3: 1,504,506 km (0.089 R)
• M4: 2,813,338 km (0.027 R)
• M5: 4,599,686 km (0.089 R)
• M6: 5,228,146 km (0.105 R)
• M7: 5,750,243 km (0.103 R)
• M8: 7,595,084 km (0.104 R)
• M9: 8,336,491 km (0.117 R)
• M10: 9,730,893 km (0.082 R)
• M11: 10,242,069 km (0.113 R)
• M12: 11,063,660 km (0.119 R)
• M13: 13,406,512 km (0.1 R)
• M14: 14,592,674 km (0.104 R)
• M15: 19,177,101 km (0.03 R)
• M16: 21,070,561 km (0.111 R)
• M17: 22,878,750 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.4

Radius: 12.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.71 AU - 3.63 AU

Year: 3764 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,165,072 km

• M1: 155,432 km (0.048 R)
• M2: 546,780 km (0.077 R)
• M3: 1,091,167 km (0.099 R)
• M4: 1,661,584 km (0.108 R)
• M5: 2,284,210 km (0.063 R)
• M6: 3,127,343 km (0.089 R)
• M7: 3,564,319 km (0.082 R)
• M8: 4,021,340 km (0.084 R)
• M9: 4,539,996 km (0.115 R)
• M10: 6,687,773 km (0.096 R)
• M11: 7,513,553 km (0.091 R)
• M12: 8,101,173 km (0.102 R)
• M13: 8,509,725 km (0.118 R)
• M14: 9,368,267 km (0.064 R)
• M15: 14,157,344 km (0.064 R)
• M16: 15,831,793 km (0.111 R)
• M17: 16,418,217 km (0.068 R)
• M18: 18,556,569 km (0.113 R)
• M19: 19,389,230 km (0.031 R)
• M20: 20,747,878 km (0.096 R)
• M21: 21,257,259 km (0.12 R)
• M22: 22,169,058 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.3

Radius: 9.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.83 AU - 4.47 AU

Year: 5638 Days

Day: 6 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,165,072 km

• M1: 113,545 km (0.03 R)
• M2: 721,511 km (0.115 R)
• M3: 1,042,398 km (0.116 R)
• M4: 1,650,962 km (0.108 R)
• M5: 3,182,545 km (0.07 R)
• M6: 3,708,681 km (0.053 R)
• M7: 4,670,146 km (0.111 R)
• M8: 5,093,658 km (0.09 R)
• M9: 5,739,322 km (0.106 R)
• M10: 7,369,042 km (0.103 R)
• M11: 8,006,328 km (0.1 R)
• M12: 9,460,121 km (0.099 R)
• M13: 10,286,499 km (0.086 R)
• M14: 11,715,757 km (0.111 R)
• M15: 12,668,396 km (0.089 R)
• M16: 17,842,089 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 12,220 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit